diff --git a/packages/koishi-core/src/app.ts b/packages/koishi-core/src/app.ts
index a8a281baf9..f3eabb4b22 100644
--- a/packages/koishi-core/src/app.ts
+++ b/packages/koishi-core/src/app.ts
@@ -262,18 +262,18 @@ export class App extends Context {
   private _preprocess = async (meta: MessageMeta, next: NextFunction) => {
     // strip prefix
     let capture: RegExpMatchArray
-    let atMe = false, nickname = false, prefix: string = null
+    let atMe = false, nickname = '', prefix: string = null
     let message = simplify(meta.message.trim())
     let parsedArgv: ParsedCommandLine
 
     if (meta.messageType !== 'private' && (capture = message.match(this.atMeRE))) {
       atMe = true
-      nickname = true
+      nickname = capture[0]
       message = message.slice(capture[0].length)
     }
 
     if ((capture = message.match(this.nicknameRE))?.[0].length) {
-      nickname = true
+      nickname = capture[0]
       message = message.slice(capture[0].length)
     }
 
@@ -283,6 +283,9 @@ export class App extends Context {
       message = message.slice(capture[0].length)
     }
 
+    // store parsed message
+    meta.$stripped = { atMe, nickname, prefix, message }
+
     // parse as command
     if (prefix !== null || nickname || meta.messageType === 'private') {
       parsedArgv = this.parseCommandLine(message, meta)
diff --git a/packages/koishi-core/src/meta.ts b/packages/koishi-core/src/meta.ts
index 9d548913e4..11e0bd3a6d 100644
--- a/packages/koishi-core/src/meta.ts
+++ b/packages/koishi-core/src/meta.ts
@@ -42,6 +42,13 @@ export interface ResponsePayload {
   reason?: string
 }
 
+export interface StrippedMessage {
+  atMe?: boolean
+  nickname?: string
+  prefix?: string
+  message?: string
+}
+
 /** CQHTTP Meta Information */
 export interface Meta <T extends PostType = PostType> {
   // database bindings
@@ -52,6 +59,9 @@ export interface Meta <T extends PostType = PostType> {
   $ctxId?: number
   $ctxType?: ContextType
 
+  // other properties
+  $stripped?: StrippedMessage
+
   // quick operations
   $response?: (payload: ResponsePayload) => void
   $delete?: () => Promise<void>